DIY Air Filter Using a Box Fan

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Ever since I got sick from a moldy basement two years ago, I’ve become far more sensitive to the everyday toxins in our environment. Unfortunately, houses aren’t built in a green and clean manner, and indoor air pollution can be even worse than outdoors. Whether you have chronic health conditions, little kids in your house, or just want to stay healthy, getting good air quality should be a priority for all of us. Air purifiers are one way to get better air (and air that smells better too!).

I own an excellent air purifier, but recently I needed some extra support to cover more square feet. It was then that I learned from others about these amazing and easy air purifier box fans you can make yourself!

I was concerned that it might not be a legitimate way to reduce air pollution in the house, but this video convinced me that it could help reduce your air pollution load!

The most important thing is to make sure that you buy the right filter. If you want to filter out the most things, you should be looking for a MERV 11( filtration rating) or higher. I decided to go with the “hospital grade” MERV 13 Furnace Filter. This filter will filter pollen, dust mites, mold spores, bacteria, proplet nuclei (droplets from sneezing), and smoke.

This project is so simple and inexpensive!

What you need:

Directions:

There will be a little arrow on the filter showing which way the air should flow. Point that in the right direction, and then tape onto the front of the box fan filter. (Note: Some have wondered whether we should tape it onto the back of the box fan filter. However the concern is that it will cause the fan to wear out more quickly because it has to pull the air through the filter.)

Plug in, and you are done! I run this on high. You can change the filters as often as they need it, once they look dirty (every 3 -6 months).

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I love beautiful and simple food that is nourishing to the body and the soul. I wrote Fresh: Nourishing Salads for All Seasons and Ladled: Nourishing Soups for All Seasons as another outlet of sharing this love of mine. I also love sharing practical tips on how to make a real food diet work on a real life budget. Find me online elsewhere by clicking on the icons below!

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The information you find here at The Nourishing Gourmet is meant to help you become a better cook! This site is primarily for sharing family friendly recipes. It's not meant to give medical advice or to make any health claims on the prevention or curing of diseases.This site is only for informational and educational purposes. Please discuss with your own, qualified health care provider before adding in supplements or making any changes in your diet. Also, any links to sponsors or affiliates (including Amazon) may give me a percentage of the sale or a pay per click. Thank you for supporting this site.